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Vulnerability record · CVE-2007-5135 · published 27 September 2007

CVE-2007-5135: Openssl vulnerability

OOpenssl · Openssl

Off-by-one error in the SSL_get_shared_ciphers function in OpenSSL 0.9.7 up to 0.9.7l, and 0.9.8 up to 0.9.8f, might allow remote attackers to execute arbitrary code via a crafted packet that triggers a one-byte buffer underflow. NOTE: this issue was introduced as a result of a fix for CVE-2006-3738. As of 20071012, it is unknown whether code execution is possible.

6.8 CVSS 2.0 Medium EPSS 16% · top 3.2% CWE-189 · CWE-189
6.8CVSS 2.0 base score
16%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
150References
16 Jun 2026Last modified by NVD

Description

Off-by-one error in the SSL_get_shared_ciphers function in OpenSSL 0.9.7 up to 0.9.7l, and 0.9.8 up to 0.9.8f, might allow remote attackers to execute arbitrary code via a crafted packet that triggers a one-byte buffer underflow. NOTE: this issue was introduced as a result of a fix for CVE-2006-3738. As of 20071012, it is unknown whether code execution is possible.

AV:N/AC:M/Au:N/C:P/I:P/A:P

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
ftp://ftp.netbsd.org/pub/NetBSD/security/advisories/NetBSD-SA2008-007.txt.asc
http://lists.apple.com/archives/security-announce//2008/Jul/msg00003.html
http://lists.opensuse.org/opensuse-security-announce/2008-03/msg00001.html
http://lists.vmware.com/pipermail/security-announce/2008/000002.html
http://secunia.com/advisories/22130 Vendor Advisory
http://secunia.com/advisories/27012 Vendor Advisory
http://secunia.com/advisories/27021 Vendor Advisory
http://secunia.com/advisories/27031 Vendor Advisory
http://secunia.com/advisories/27051 Vendor Advisory
http://secunia.com/advisories/27078 Vendor Advisory
http://secunia.com/advisories/27097 Vendor Advisory
http://secunia.com/advisories/27186 Vendor Advisory
http://secunia.com/advisories/27205 Vendor Advisory
http://secunia.com/advisories/27217 Vendor Advisory
http://secunia.com/advisories/27229 Vendor Advisory
http://secunia.com/advisories/27330 Vendor Advisory
http://secunia.com/advisories/27394 Vendor Advisory
http://secunia.com/advisories/27851 Vendor Advisory
http://secunia.com/advisories/27870 Vendor Advisory
http://secunia.com/advisories/27961 Vendor Advisory
http://secunia.com/advisories/28368 Vendor Advisory
http://secunia.com/advisories/29242
http://secunia.com/advisories/30124
http://secunia.com/advisories/30161
http://secunia.com/advisories/31308
http://secunia.com/advisories/31326
http://secunia.com/advisories/31467
http://secunia.com/advisories/31489
http://security.freebsd.org/advisories/FreeBSD-SA-07:08.openssl.asc
http://security.gentoo.org/glsa/glsa-200710-06.xml
http://securityreason.com/securityalert/3179
http://sunsolve.sun.com/search/document.do?assetkey=1-26-103130-1
http://sunsolve.sun.com/search/document.do?assetkey=1-66-200858-1
http://support.avaya.com/elmodocs2/security/ASA-2007-485.htm
http://wiki.rpath.com/wiki/Advisories:rPSA-2008-0241
http://www.debian.org/security/2007/dsa-1379
http://www.gentoo.org/security/en/glsa/glsa-200805-07.xml
http://www.mandriva.com/security/advisories?name=MDKSA-2007:193
http://www.novell.com/linux/security/advisories/2007_20_sr.html
http://www.openbsd.org/errata40.html

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

7.5CVE-2014-0160OpenSSL TLS/DTLS Heartbeat Extension Out-of-Bounds Read (Heartbleed)OpenSSL 1.0.1 before 1.0.1g mishandles Heartbeat Extension packets in its TLS and DTLS implementations, causing an out-of-bounds read of process memo…KEVEPSS 100%analysed10.0CVE-2009-3245Openssl improper input validation vulnerabilityOpenSSL before 0.9.8m does not check for a NULL return value from bn_wexpand function calls in (1) crypto/bn/bn_div.c, (2) crypto/bn/bn_gf2m.c, (3) c…EPSS 6.5%10.0CVE-2006-3738OpenSSL SSL_get_shared_ciphers buffer overflow via long cipher listOpenSSL versions before 0.9.7l and 0.9.8d contain a buffer overflow in the SSL_get_shared_ciphers function, triggered by a long list of ciphers. The …EPSS 49%analysed9.8CVE-2026-63073Openssl vulnerabilityIssue summary: OpenSSL CMP response validation passed an unexpected response sender distinguished name directly as the format string to `ERR_raise_da…EPSS 1.2%9.8CVE-2026-31789Openssl out-of-bounds write vulnerabilityIssue summary: Converting an excessively large OCTET STRING value to a hexadecimal string leads to a heap buffer overflow on 32 bit platforms. Impact…EPSS 0.33%9.8CVE-2022-2274OpenSSL 3.0.4 RSA AVX512IFMA memory corruptionOpenSSL 3.0.4 introduced a bug in the RSA implementation for X86_64 CPUs supporting AVX512IFMA instructions, causing 2048-bit private key operations …EPSS 46%analysed9.8CVE-2021-3711OpenSSL SM2 decryption buffer overflowOpenSSL's SM2 decryption code miscalculates the output buffer size needed by EVP_PKEY_decrypt(), so the first sizing call can return a value smaller …EPSS 88%analysed9.8CVE-2016-6309OpenSSL 1.1.0a statem use-after-free on realloc in TLS session handlingOpenSSL 1.1.0a's statem/statem.c fails to account for memory-block movement after a realloc call, leaving a dangling pointer that can be used after f…EPSS 70%analysed

Source: NIST National Vulnerability Database (record CVE-2007-5135), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.