Description
The mime_hdr_cmp function in crypto/asn1/asn_mime.c in OpenSSL 0.9.8t and earlier allows remote attackers to cause a denial of service (NULL pointer dereference and application crash) via a crafted S/MIME message.
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | openssl | 1.0.0h-1 | — |
| Debian 13 | openssl | 1.0.0h-1 | — |
| Debian 12 | openssl | 1.0.0h-1 | — |
| Debian 6.0 | openssl | 0.9.8o-4squeeze11 | DSA-2454-1 |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 5 | openssl +2 | 0.9.8e-12.el5 | RHSA-2009:1335 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 12 SP1 | libqt4 +1 | 4.8.6-7.1 | SUSE-SU-403 Forbidden-1, SUSE-SU-403 |
| SLES 12 SP1 | libqt4-devel-doc | 4.8.6-7.3 | SUSE-SU-403 Forbidden-1, SUSE-SU-403 |
| SLES 12 | libqt4 +1 | 4.8.6-7.1 | SUSE-SU-403 Forbidden-1, SUSE-SU-403 |
| SLES 12 | libqt4-devel-doc | 4.8.6-7.3 | SUSE-SU-403 Forbidden-1, SUSE-SU-403 |
Show 2 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES for SAP 12 SP1 | libqt4 +1 | 4.8.6-7.1 | SUSE-SU-403 Forbidden-1, SUSE-SU-403 |
| SLES for SAP 12 SP1 | libqt4-devel-doc | 4.8.6-7.3 | SUSE-SU-403 Forbidden-1, SUSE-SU-403 |
| SLES for SAP 12 | libqt4 +1 | 4.8.6-7.1 | SUSE-SU-403 Forbidden-1, SUSE-SU-403 |
| SLES for SAP 12 | libqt4-devel-doc | 4.8.6-7.3 | SUSE-SU-403 Forbidden-1, SUSE-SU-403 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | openssl-1_1 | 1.1.1l-1.2 | openSUSE-SU-2024:11127-1 |
Advisories 5
- RHSA-2009:1335 Red Hat Security Advisory: openssl security, bug fix, and enhancement update Red Hat Security Advisories (RHSA) · Aug 5, 2026
- DSA-2454-1 openssl - multiple Debian Security (DSA / DLA) · Mar 9, 2026
- SUSE-SU-403 Forbidden-1 Security update for OpenSSL SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-403 Security update for OpenSSL SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2024:11127-1 libopenssl-1_1-devel-1.1.1l-1.2 on GA media SUSE / openSUSE Security Updates · May 7, 2025
References
- https://bugzilla.novell.com/show_bug.cgi?id=748738
- 48516 third-party-advisory
- 48899 third-party-advisory
- [openssl-dev] 20060829 Crash inside SMIME_read_PKCS7 if input is not MIME mailing-list
- [openssl-dev] 20120210 [openssl.org #2711] Fix possible NULL dereference on bad MIME headers mailing-list
- RHSA-2009:1335 vendor-advisory
- 52181 vdb-entry
- 36533 third-party-advisory
- USN-1424-1 vendor-advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=798100
- http://cvs.openssl.org/chngview?cn=22144
- [oss-security] 20120227 CVE request: openssl: null pointer dereference issue mailing-list
- [oss-security] 20120228 Re: CVE request: openssl: null pointer dereference issue mailing-list
- 48153 third-party-advisory
- HPSBUX02782 vendor-advisory